A young man has begun to look and sound more physically mature, with the beginnings of a beard and a deeper voice. These changes can be attributed to the secretions of the
a. ovaries.
b. pancreas.
c. pituitary.
d. parathyroid.
Answer: c. pituitary.
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Interventions that support parents of preterm infants
A) generally teach them about the infant's characteristics and promote caregiving skills. B) are costly and ineffective. C) are rare in the United States. D) are primarily offered to low-SES parents.
Walter, age 83, is asked to read several passages that portray aging adults as passive and incompetent. Walter is most likely to respond with
A) more frequent help-seeking behavior. B) more frequent independent behavior. C) less desire for social contact. D) less trouble performing daily activities.
Subjects are said to be assigned randomly when
a. they are selected to participate in an experiment from a sample which is representative of the larger population. b. they each have an equal chance of being assigned to either the experimental or control group. c. they are assigned to experimental and control groups so that the groups differ on some critical variable before the experiment begins. d. neither the experimenter nor the subject knows whether the subject is in the experimental or control group.
For men, binge drinking is a problem and is defined as
a) 10 or more drinks in one sitting. b) 5 or more drinks in one sitting. c) 4 or more drinks in one sitting. d) 3 or more drinks in one sitting.